Ivanhoe Company had $177,900 of net income in 2019 when the selling price per unit was $154, the variable costs per unit were 598, and the fixed costs were $572.500. Management expects per unit data and total fixed costs to remain the same in 2020. The president of Ivanhoe Company is under pressure from stockholders to increase not income by $93.800 in 2020. (a) Compute the number of units sold in 2019.